- Outdoor--with great airflow design, it can easy to whistle and make a loud, clear sound,plastic survival whistle
- Whistle with hook--small size, light weight, it is easy to carry and store, will not take up a lot of space,first aid whistle
- Camping whistle--it is lightweight for easy and convenient to carry and store with a key ring on it,whistle for outdoor
- Portable survival whistle--multi-use in sports occasions or outdoors activities, great your friends,camping safety equipment
- Survival whistle--also suitable for sports, coaching and training for hockey, volleyball, basketball, soccer, cross country, racing,emergency whistle
